73453493 has 2 divisors, whose sum is σ = 73453494. Its totient is φ = 73453492.

The previous prime is 73453463. The next prime is 73453517. The reversal of 73453493 is 39435437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49463089 + 23990404 = 7033^2 + 4898^2 .

It is a cyclic number.

It is not a de Polignac number, because 73453493 - 2¹⁶ = 73387957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73453463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36726746 + 36726747.

It is an arithmetic number, because the mean of its divisors is an integer number (36726747).

Almost surely, 2^73453493 is an apocalyptic number.

It is an amenable number.

73453493 is a deficient number, since it is larger than the sum of its proper divisors (1).

73453493 is an equidigital number, since it uses as much as digits as its factorization.

73453493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 38.

The square root of 73453493 is about 8570.5013272270. The cubic root of 73453493 is about 418.7975679831.

The spelling of 73453493 in words is "seventy-three million, four hundred fifty-three thousand, four hundred ninety-three".